Whats the answer?

A study tests whether night-shift workers sleep the recommended 8 hours per day. 21 night-shift workers were assessed on the length of nightly sleep, and the study determined that they slept for 5.27 hours on average, with a standard deviation of 1.6 hours. What type of test will I conduct on this data?

Select one:

a.

Independent-samples t-test

b.

Chi-Square Test for Goodness-of-Fit

c.

One-Way Between-Subjects ANOVA

d.

Pearson's rcorrelation

e.

Factorial Between-Subjects ANOVA

f.

Dependent-samples t-test

g.

Factorial Repeated-Measures ANOVA

h.

Chi-Square Test for Independence

i.

One-sample t-test

j.

One-Way Repeated-Measures ANOVA